Service bulletins for the 2014 International Workstar
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
303 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: 12-volt battery are shown. Show all
| MIN-14121 | 2015-01-31. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. NAVISTAR: DIESEL EXHAUST FLUID (DEF) WILL FREEZE INSIDE PURGE PUMP DUE TO AFTERTREATMENT CONTROL MODULE (ACM) NOT RECEIVING BATTERY POWER (BATTERY DISCONNECT SWITCH), AND PURGE CYCLE FAILS TO COMPLETE, AFTER IGNITION KEY IS OFF. MODEL PROSTAR, WORKSTAR. *PE |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.